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Access type: UnknownSubject: search.filters.subject.Analogue circuits

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    New electronically tunable current-mode universal biquad filter using translinear current conveyors
    (2010-05-01)
    Kumngern, Montree
    ;
    Jongchanachavawat, Wirote
    ;
    Dejhan, Kobchai
    In this study, a new electronically tunable current-mode universal filter with two inputs and two outputs employing one translinear current conveyor, one translinear current conveyor with controlled current gain and two grounded capacitors is presented. The proposed circuit offers the following attractive features: realisation of low-pass, band-pass, high-pass, band-stop and all-pass current responses from the same configuration; employment of the minimum active and passive components; no requirement of component matching conditions; independent current-control of the parameters natural frequency (wo) and quality factor (Q); low active and passive sensitivities; and high impedance output. The characteristics of the proposed circuit are simulated using PSPICE to confirm the theory. © 2010 Taylor & Francis.
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    A low-voltage, wide dynamic range CMOS floating active inductor
    (2003-12-01)
    Sae-Ngow, S.
    ;
    Thanachayanont, A.
    This paper presents a novel low-voltage wide dynamic range high frequency floating active inductor in a 0.35-μm CMOS technology. The proposed circuit exhibits 52-dB spurious-free dynamic range while dissipation 2 mW from a single 1.5 V power supply voltage. Using the proposed inductor, a 4<sup>th</sup>-order bandpass filter was designed at 2-GHz center frequency and achieve Q of 25 with input-referred IP3 of -14 dBV.
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    Floating inductance simulation based on current conveyors
    (1997-10-09)
    Kiranon, W.
    ;
    Pawarangkoon, P.
    A basic floating inductance simulation circuit with grounded capacitance using only noninverting second-generation current conveyors as active elements is introduced. The circuit is modified by using current controlled conveyors, yielding electronically tunable inductances. Simulation results are also presented.